The best possible score is 10.
No specific info about version 9.0. Please visit the main page of Amazon Music Importer on Software Informer.
Amazon Music lets you shop, play, manage, and download your favorite music.
With Style Jukebox you can backup your entire music collection.
Do more with iTunes. Music Scheduling, Playlist Generator and Amazon Music Store
I did the update and it still keeps asking me to update this.